This aerial photo shows the Homer Spit in Alaska, which is just south of the Cook Inlet. Although they are not visible in the photo, fiber optic ...

A major US city, home to nearly 300,000 people, has experienced shaking from two earthquakes that struck just hours apart on ...

The USGS described the earthquake as "notable," confirming that it may have been felt by residents in Sand Point and nearby ...

A series of three earthquakes jolted the area near Petropavlovsk-Kamchatsky within a 32-minute window on Sunday. The most powerful of the tremors, originally measured at magnitude 7.4 and later ...

Hawaii’s unique position in the center of the Pacific Ocean makes it particularly vulnerable to tsunamis from both distant ...

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of ...

A tsunami warning that was issued Wednesday for parts of Southcentral and Southwest Alaska due to a magnitude 7.3 earthquake ...

Scientists believe the July 16 Alaska earthquake is part of a series of multiple earthquakes of similar magnitudes in the ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake swarm" hit the site starting on Tuesday.

WASHINGTON, USA — A "swarm" of small earthquakes near the summit of Mount Rainier Tuesday is no cause for concern, according to local officials. The United States Geologic Survey (USGS) says the ...